The president continues to use this once-narrow exception for genuine crises as a routine pretext for government overreach.

The Supreme Court‘s Wednesday oral arguments over the legality of Donald Trump‘s sweeping “Liberation Day” tariffs pitted the president’s constitutional foreign affairs powers against Congress’s constitutionally delegated tariff power.

Trump invoked the International Emergency Economic Powers Act, or AYEEPA, last spring when he imposed sweeping tariffs of at least 10 percent across all countries. Wednesday, the nine justices heard oral arguments in the case.

Supreme Court justices expressed skepticism about Donald Trump's use of emergency law to impose global tariffs during oral arguments Wednesday.

After oral arguments it appears the Supreme Court will strike down President Donald Trump's "Liberation Day" tariffs 6-3.

What to know about the case that could rein in Trump’s sweeping concept of presidential power — or endorse it.

What was once meant to be a narrow exception for genuine crises has become a routine pretext for government overreach.

In times of national emergency, should the Supreme Court dictate America's grand strategy and international economic policies? This question confronts